The sample gave error messages 3022 unable to process test due to previous aspiration error on sample and 3430 unable to process test, sample aspiration error.Because of these errors, the sample was inspected and found to have a clot.The clot was removed and the sample was retested giving the same error message.The sample was recentrifuged several times and the clots removed, finally generating calcium results of 2.693 mmol/l and 2.184 mmol/l.Further investigation of the customer issue included a review of the complaint text, a search for similar complaints, review of field data, and a review of labeling.No adverse trend was identified for the customer's issue.No return patient sample was available.Historical performance of the reagent lot was evaluated using world wide data.The patient data was analyzed and within expected limits.Labeling was reviewed and found to be adequate.Based on all available information and abbott diagnostics' complaint investigation no product deficiency was identified.
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